Engineering interventions for enhanced sophorolipid biosynthesis: from native producers to recombinant platforms

Area of Science:

• Biotechnology
• Industrial Microbiology
• Synthetic Biology

Background:

• Sophorolipids (SLs) are gaining industrial importance as eco-friendly glycolipid biosurfactants.
• They offer a sustainable alternative to conventional petrochemical surfactants.

Purpose of the Study:

• To review recent advancements in sophorolipid production.
• To highlight the integration of metabolic engineering and systems biology for optimizing SL synthesis.
• To assess the industrial feasibility and identify future research priorities.

Main Methods:

• Review of literature on sophorolipid genetics, regulation, and production platforms.
• Analysis of metabolic engineering strategies, including pathway optimization and recombinant host development.
• Evaluation of industrial production constraints and techno-economic factors.

Main Results:

• Significant progress in increasing sophorolipid titers and productivities through rational design.
• Identification of key challenges in production, including feedstock costs, fermentation methods, and downstream processing.
• Comparative performance analysis of native producers and engineered recombinant platforms.

Conclusions:

• Systems-guided strategies and advanced metabolic engineering are crucial for efficient SL production.
• Future research should focus on CRISPR-based engineering, omics-guided approaches, and cost-effective substrates.
• Robust and scalable purification methods are essential for commercial viability.